:root {
  font-family: system-ui, Avenir, Helvetica, Arial, sans-serif;
  line-height: 1.5;
  font-weight: 400;
  color: #333;
}

* {
  margin: 0;
  padding: 0;
}

body {
  overflow: hidden;
}

div {
  box-sizing: border-box;
}